AlgorithmsDiscussion around the algorithms: the most powerful tool of the contest programmer. This is the place to ask about the algorithms you have heard mention, or to share with the community your knowledge about them.

DocumentationThis is the place to share with the community the documentation that you find helpful for contest programming, as well as to ask for articles and books that can help you improve your skills.

SuggestionsThis is the place where you should ask for those features you would like to see on the COJ, or to suggest te ways in which we can improve our service. Every contribution is valuable, don't be afraid to make yours!